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authorImre Kaloz <kaloz@openwrt.org>2009-10-26 10:15:52 +0000
committerImre Kaloz <kaloz@openwrt.org>2009-10-26 10:15:52 +0000
commit4d1bd56f33944d6c6479335f15427b0542a03b94 (patch)
tree07e693c146d4ea04c36f29b2941cc8d30fe7657d /target/linux/generic-2.6/patches-2.6.31/012-extra_optimization.patch
parent69578dfd7b880c137b51f10e046d626e5bd23c36 (diff)
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rename some patches
SVN-Revision: 18161
Diffstat (limited to 'target/linux/generic-2.6/patches-2.6.31/012-extra_optimization.patch')
-rw-r--r--target/linux/generic-2.6/patches-2.6.31/012-extra_optimization.patch21
1 files changed, 21 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.31/012-extra_optimization.patch b/target/linux/generic-2.6/patches-2.6.31/012-extra_optimization.patch
new file mode 100644
index 0000000000..e0ba51598e
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.31/012-extra_optimization.patch
@@ -0,0 +1,21 @@
+--- a/Makefile
++++ b/Makefile
+@@ -521,7 +521,7 @@ all: vmlinux
+ ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
+ KBUILD_CFLAGS += -Os
+ else
+-KBUILD_CFLAGS += -O2
++KBUILD_CFLAGS += -O2 -fno-reorder-blocks -fno-tree-ch
+ endif
+
+ include $(srctree)/arch/$(SRCARCH)/Makefile
+@@ -559,6 +559,9 @@ endif
+ NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
+ CHECKFLAGS += $(NOSTDINC_FLAGS)
+
++# improve gcc optimization
++CFLAGS += $(call cc-option,-funit-at-a-time,)
++
+ # warn about C99 declaration after statement
+ KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,)
+